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  1. #11
    Join Date
    Apr 2007
    Location
    midlands
    Posts
    7,104

    Default Re: Cost of injectors refurbishing

    Quote Originally Posted by jrudge View Post
    That is a good price including the tips.

    I had mine done.They all failed, were cleaned up etc etc and retested. All passed. Difference to the boat. Nil!

    I only got mine done after Cloud9 of this parish with a D12 had an engine go and a large bill attributed to a possible injector failure. Unless there is a reason I would probably not bother.

    Removal on a D12 needs the rocker cover and few other bits removed. Removal was described to me as either fine or a total bugger and you don't know until you do it. Mine were fine. The valve clearances were done at the same time as most of the work to get at them had already been done.

    New tips were not available for my injectors - they were not 100% required but would have been preferable. I would suggest you find the injector model number and determine if the tips are available before you start. They might for example have a lead time and that would be a shame at this point in the season.

    People seem to use who they trust. My own view would be that fuel injection overhaul is relatively complex and requires expensive kit - hence I would imagine any authorised repairer could do it unless for some reason they have a poor reputation.
    Sadly you have the Denso ones. A mistake by VP asking them to make them as no afterservice backup.

  2. #12
    Join Date
    Jun 2010
    Posts
    857

    Default Re: Cost of injectors refurbishing

    Do you really need them replacing? Industrial versions of your engine recommend having them checked every 2500 hours and not replaced.

    Mechanical injectors are simple and you can get them tested instead of replaced and save a wadge of cash, if you remove the injectors and number them you take them to a local independent specialist and they connect them to a hand pump and pressurise them. You do a break pressure test which is simply reading the pressure they open at, a fan or spray pattern test which shows the spray pattern, and a leak test which shows up any drips from the injector while it is under load and just under break pressure.

    Its a pity you aren't nearer to me as I have access to the equipment to test them.
    I am old and wise because i was young and stupid.

  3. #13
    Join Date
    Nov 2001
    Location
    scotland
    Posts
    3,210

    Default Re: Cost of injectors refurbishing

    Quote Originally Posted by Assassin View Post
    Do you really need them replacing? Industrial versions of your engine recommend having them checked every 2500 hours and not replaced.

    Mechanical injectors are simple and you can get them tested instead of replaced and save a wadge of cash, if you remove the injectors and number them you take them to a local independent specialist and they connect them to a hand pump and pressurise them. You do a break pressure test which is simply reading the pressure they open at, a fan or spray pattern test which shows the spray pattern, and a leak test which shows up any drips from the injector while it is under load and just under break pressure.

    Its a pity you aren't nearer to me as I have access to the equipment to test them.
    I used to think that a dozen or so years ago until we had several instances of injectors that passed “POP” testing being found faulty after being run on modern test rigs

  4. #14
    Join Date
    May 2001
    Location
    ation, Loc: ation, Loc: ation.
    Posts
    15,499

    Default Re: Cost of injectors refurbishing

    Quote Originally Posted by FARSCO View Post
    I had 12 overhauled with genuine Bosch tips for around 800 from memory

    https://www.pbasher.com

    Just checked....60+vat each....new tip and calibrated.
    Same for me although I don't know who did it (was organized by Col who used to post hereabouts).

    No difference noted!

  5. #15
    Join Date
    May 2006
    Location
    Finland
    Posts
    2,170

    Default Re: Cost of injectors refurbishing

    I had mine done at about 100€ per injector. All were reported as not operating properly, but as jrudge, i noticed zero difference apart from the wedge on my wallet.

    As you, I Wanted to have them checked just in case. May have been a good investment for the long run, who knows.

  6. #16
    Join Date
    Oct 2007
    Location
    Belgium
    Posts
    4,746

    Default Re: Cost of injectors refurbishing

    on a old invoice from 2014 the nozzles are 73euro/p list price ex VAT
    no idea about the labour cost, but looking in the service manual, it doesn't seem to be a complex work.

    when we replaced the nozzles on one engine, it did make a difference, less smoke !

  7. #17
    Join Date
    Sep 2017
    Posts
    529

    Default Re: Cost of injectors refurbishing

    Quote Originally Posted by scubaman View Post
    I had mine done at about 100 per injector. All were reported as not operating properly, but as jrudge, i noticed zero difference apart from the wedge on my wallet.

    As you, I Wanted to have them checked just in case. May have been a good investment for the long run, who knows.
    What engine hrs did you do this @

  8. #18
    Join Date
    Dec 2005
    Location
    Live London
    Posts
    3,364

    Default Re: Cost of injectors refurbishing

    Quote Originally Posted by Old Harry View Post
    What engine hrs did you do this @
    Mine were at 600 engine hours and 13 years ( appreciate you were asking Scubaman)

  9. #19
    Join Date
    May 2006
    Location
    Finland
    Posts
    2,170

    Default Re: Cost of injectors refurbishing

    Quote Originally Posted by Old Harry View Post
    What engine hrs did you do this @
    Around 800 hrs and 15 years. Also had them checked by Volvopaul back in 2012 and 300 hrs, but all was fine then.

  10. #20
    Join Date
    Mar 2002
    Posts
    16,870

    Default Re: Cost of injectors refurbishing

    In my case, we're talking of a 15 yo boat with 1500 hours clocked.
    Actually, last year she made the almost 1200Nm long delivery trip with no issues at all, so I wasn't expecting any relevant malfunctioning - and along the same lines, I'm not holding my breath for any noticeable improvements.
    But based on both age and hours, the job was definitely due.

    Now, a quick check on the first couple of injectors showed a reasonably normal behavior (one squirting just above the nominal 280 bar, and the other one at 275 or so). We'll see what they will tell me of the others, the job is under way atm.
    The quote (from a non-marine, but official Bosch service) is 68+20 Eur, for each nozzle+labour respectively.

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